package com.hxh.queue;

import com.hxh.heep.MaxHeap;

/**
 * @author huangxunhui
 * Date: Created in 18/10/20 下午9:34
 * Utils: Intellij Idea
 * Description:
 */
public class PriorityQueue <E extends Comparable<E> > implements Queue<E> {

    private MaxHeap<E> maxHeap;


    public PriorityQueue(){
        maxHeap = new MaxHeap<>();
    }

    @Override
    public int getSize() {
        return maxHeap.size();
    }

    @Override
    public boolean isEmpty() {
        return maxHeap.isEmpty();
    }

    @Override
    public void enqueue(E e) {
        maxHeap.add(e);
    }

    @Override
    public E dequeue() {
        return maxHeap.extractMax();
    }

    @Override
    public E getFront() {
        return maxHeap.findMax();
    }

}
